#!/bin/bash
set -e -x

source $(dirname $0)/version.sh

cd $(dirname $0)/..

LDFLAGS="-X github.com/rancher/k3s/pkg/version.Version=$VERSION -X github.com/rancher/k3s/pkg/version.GitCommit=${COMMIT:0:8} -w -s"
STATIC="-extldflags '-static'"
STATIC_SQLITE="-extldflags '-static -lm -ldl -lz -lpthread'"
TAGS="ctrd apparmor seccomp no_btrfs netgo osusergo"

if [ "$STATIC_BUILD" != "true" ]; then
    STATIC=""
    STATIC_SQLITE=""
else
    TAGS="static_build libsqlite3 $TAGS"
fi

mkdir -p bin

if [ -z "$GOARM" ] && [ "arm" = "$(go env GOARCH)" ]; then
    GOARM=7
fi

rm -f bin/k3s-agent bin/hyperkube bin/containerd bin/cni ./bin/runc bin/containerd-shim bin/k3s-server bin/kubectl bin/crictl
# echo Building agent
# CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/k3s-agent ./cmd/agent/main.go
echo Building server
CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/containerd ./cmd/server/main.go
ln -s containerd ./bin/k3s-agent
ln -s containerd ./bin/k3s-server
ln -s containerd ./bin/kubectl
ln -s containerd ./bin/crictl
echo Building hyperkube
CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/hyperkube ./vendor/k8s.io/kubernetes/cmd/hyperkube/
#echo Building ctr
#CGO_ENABLED=1 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC_SQLITE" -o bin/ctr ./cmd/ctr/main.go
# echo Building containerd
# CGO_ENABLED=0 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/containerd ./cmd/containerd/
echo Building cni
CGO_ENABLED=0 go build -tags "$TAGS" -ldflags "$LDFLAGS $STATIC" -o bin/cni ./cmd/cni/main.go
echo Building runc
make EXTRA_LDFLAGS="-w -s" BUILDTAGS="apparmor seccomp" -C ./vendor/github.com/opencontainers/runc static
cp -f ./vendor/github.com/opencontainers/runc/runc ./bin/runc
echo Building containerd-shim
make -C ./vendor/github.com/containerd/containerd bin/containerd-shim
cp -f ./vendor/github.com/containerd/containerd/bin/containerd-shim ./bin/containerd-shim
